/Engine/Source/Runtime/InteractiveToolsFramework/Public/MultiSelectionTool.h
class UMultiSelectionTool : public [UInteractiveTool](API\Runtime\InteractiveToolsFramework\UInteractiveTool), public [IInteractiveToolCameraFocusAPI](API\Runtime\InteractiveToolsFramework\IInteractiveToolCameraFocusAPI)
TArray<TObject...
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